diff --git a/PamhagenSysCtrl/Helpers/PamhagenPlant.cs b/PamhagenSysCtrl/Helpers/PamhagenPlant.cs
index 24c051e..11b6146 100644
--- a/PamhagenSysCtrl/Helpers/PamhagenPlant.cs
+++ b/PamhagenSysCtrl/Helpers/PamhagenPlant.cs
@@ -180,10 +180,10 @@ namespace PamhagenSysCtrl.Helpers {
                 var isRunning = d.Pump.IsActive;
                 if (plant.Graph.SelectedPaths.Select(p => (Pipeline.Path?)p).FirstOrDefault(p => p?.Start == d.Source && p?.Hops.Last().Node == d.Sink) is Pipeline.Path path) {
                     // TODO
-                    var isReady = path.Hops.All(h => h.Node is not Valve v || v.IsOpen == v.WantOpen);
+                    var isReady = path.Hops.All(h => h.Node is not ControlledValve v || v.IsOpen == v.WantOpen);
                     if (!isReady && d.Pump == Graph.MP1) preparingMP1 = true;
                     if (!isReady && d.Pump == Graph.MP2) preparingMP2 = true;
-                    var isDefault = !path.Hops.SkipLast(1).Any(h => h.Node is not Valve && h.Node is not PipeJoin && h.Node is not Pump && h.Node is not CenterValve);
+                    var isDefault = !path.Hops.SkipLast(1).Any(h => h.Node is not Valve && h.Node is not PipeJoin && h.Node is not Pump);
                     k.SetBacklight(idx, isRunning ? isDefault ? Color.FromRgb(0, 255, 255) : Color.FromRgb(255, 64, 255) : isDefault ? Color.FromRgb(0, 0, 255) : Color.FromRgb(128, 0, 128), !isReady);
                 } else {
                     var isFree = Graph.GetFreePath([d.Source, d.Sink], overrideStart: true) != null;
@@ -266,7 +266,7 @@ namespace PamhagenSysCtrl.Helpers {
                 App.Plant?.CloseV(i);
             }
             foreach (var p in add) {
-                if (p.Hops.Any(h => h.Node is Valve v && v.IsLocked)) continue;
+                if (p.Hops.Any(h => h.Node is ControlledValve v && v.IsLocked)) continue;
                 Graph.AddPath(p);
             }
         }
@@ -278,7 +278,7 @@ namespace PamhagenSysCtrl.Helpers {
             foreach (var src in sources) {
                 var paths = new List<Pipeline.Path>();
                 foreach (var sink in sinks) {
-                    paths.AddRange(Graph.GetPaths(src, sink, null, (n) => n is not ISink && (n is not Valve v || p.WantValveOpen(v.Nr))));
+                    paths.AddRange(Graph.GetPaths(src, sink, null, (n) => n is not ISink && (n is not ControlledValve v || p.WantValveOpen(v.Nr))));
                 }
                 if (paths.Count == 1)
                     yield return paths.First();